body{/*清除浏览器自带样式*/
    margin: 0;
    padding: 0;
    /*background-repeat: no-repeat;*/
    min-width: 1200px;
  }
  .box{/*最大的盒子*/
    width: 100%;
    height: 100%;
    /*background: yellow;*/
    /*height: 636px;*/
  }
  .box_log{/*log盒子*/
    width: 100%;
    height: 250px;
    text-align: center;
  }
  .box_log_img{
    margin:0 auto;
    width: 300px;
    height: 150px;
  }
  .box_log img{
    width: 300px;
    height: 150px;
    margin-top: 38px;
    margin-bottom: 19px;
  }
  .box_text{/*text搜索框盒子大小*/
    width: 100%;
    height: 36px;
  }
  .box_text_content{
    width: 640px;
    height: 36px;
    margin: 0 auto;
  }
  
  #text{ /*input框的样式*/
    width: 540px;
    height: 36px;
    box-sizing: border-box;
    margin-top: 3px;
    text-indent: 4px;
    outline: none;
  }
  .log_img{/*input框中的小相机*/
    position: absolute;
    left: 62%;
    top: 35.5%;
  }
  #btn{ /*按钮的样式*/
    width: 100px;
    height: 36px;
    background: #3385FF;
    border: 0px;
    letter-spacing: 1px;
    color: white;
    margin-left: -5px;
    font-size: 15px;
    box-sizing: border-box;
    transform: translateY(1.5px);
    box-sizing: border-box;
  }
  #btn:hover{ /*当按钮hover的样式*/
    cursor: pointer;
  }
  #search{  /*搜索框的样式*/
    width: 540px;
    margin: 0;
    padding: 0;
    list-style: none;
    display: none;
    border: 1px solid #E3E5E4; 
  }
  #search li{ /*搜索框li的大小颜色*/
    line-height: 36px;
    background: white;
  }
  #search li:hover{ /*当li hover的样式*/
    background: #F0F0F0;
  }
  .li1{ /*li中的值缩进*/
    text-indent: 4px;
  }